141244404421 has 4 divisors (see below), whose sum is σ = 141246842572. Its totient is φ = 141241966272.

The previous prime is 141244404377. The next prime is 141244404487. The reversal of 141244404421 is 124404442141.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 111068892900 + 30175511521 = 333270^2 + 173711^2 .

It is a cyclic number.

It is not a de Polignac number, because 141244404421 - 2²³ = 141236015813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141247404421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130010 + ... + 1248763.

It is an arithmetic number, because the mean of its divisors is an integer number (35311710643).

Almost surely, 2^141244404421 is an apocalyptic number.

It is an amenable number.

141244404421 is a deficient number, since it is larger than the sum of its proper divisors (2438151).

141244404421 is an equidigital number, since it uses as much as digits as its factorization.

141244404421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438150.

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 141244404421 its reverse (124404442141), we get a palindrome (265648846562).

The spelling of 141244404421 in words is "one hundred forty-one billion, two hundred forty-four million, four hundred four thousand, four hundred twenty-one".